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MDOT SHA 2050 Mean Higher High Water 0% Annual Chance (No Storm) - Flood Depth Grid [Maryland]

Maryland iMap · 2050 Full Details

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Full Details

Title
MDOT SHA 2050 Mean Higher High Water 0% Annual Chance (No Storm) - Flood Depth Grid [Maryland]
Description
Esri ArcGIS Online (AGOL) Feature Layer which provides access to the MDOT SHA 2050 Mean Higher High Water 0% Annual Chance (No Storm) - Depth Grid data product. MDOT SHA 2050 Mean Higher High Water 0% Annual Chance (No Storm) - Depth Grid consists of a depth grid image service depicting the projected conditions of mean higher high water based on the 0% annual chance (No Storm) event scenario for coastal areas throughout the State of Maryland in year 2050. This data product supports Maryland Department of Transportation State Highway Administration (MDOT SHA) leadership and planners as they endeavor to mitigate or prevent the impacts of sea level change resulting from land surface subsidence and rising sea levels. MDOT SHA 2050 Mean Higher High Water 0% Annual Chance (No Storm) - Depth Grid data was produced as a result of efforts by the Maryland Department of Transportation State Highway Administration (MDOT SHA), Eastern Shore Regional GIS Cooperative (ESRGC), Salisbury University (SU), United States Corps of Engineers (USACE), National Oceanic & Atmospheric Administration (NOAA), and the United States Geological Survey (USGS). The US Army Corps of Engineers provide the sea level change estimate. Sea level change is localized using water elevations collected from a qualifying National Oceanic and Atmospheric Administration (NOAA) tidal reference station - NOAA observations are transformed from tidal datum to North American Vertical Datum of 1988. A final correction for glacial isostatic adjustment and land creates an sea level change value for the official project year, 2100. MDOT SHA 2050 Mean Higher High Water 0% Annual Chance (No Storm) - Depth Grid data is owned by the MDOT SHA Innovative Planning & Performance Division (IPPD) . The Eastern Shore Regional GIS Cooperative (ESRGC) is the developer / creator of this data product, and continues to maintain & host the data as a publicly available image service . MDOT SHA 2050 Mean Higher High Water 0% Annual Chance (No Storm) - Depth Grid data is only updated on an As-Needed basis when appropriate funding is available. This data was developed & last updated in October 2019 (10/09/2019). Last Updated: 10/09/2019 For additional information, contact MDOT SHA OIT Enterprise Information Services: Email: GIS@mdot.maryland.gov
Creator
ArcGIS Online for Maryland
Publisher
Maryland iMap
Temporal Coverage
2050
Date Issued
2019-10-08
Rights
The Maryland Department of Transportation State Highway Administration (MDOT SHA) makes no warranty, expressed or implied, as to the use or appropriateness of geospatial data, and there are no warranties of merchantability or fitness for a particular purpose or use. The information contained in geospatial data is from publicly available sources, but no representation is made as to the accuracy or completeness of geospatial data. MDOT SHA shall not be subject to liability for human error, error due to software conversion, defect, or failure of machines, or any material used in the connection with the machines, including tapes, disks, CD-ROMs or DVD-ROMs and energy. MDOT SHA shall not be liable for any lost profits, consequential damages, or claims against MDOT SHA by third parties.
Access Rights
Public
Format
ArcGIS ImageMapLayer
Language
English
Date Added
August 10, 2025
Provenance Statement
The metadata for this resource was last retrieved from Maryland iMap on 2026-01-08.

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Cite and Reference

  • Citation
    ArcGIS Online for Maryland (2019). MDOT SHA 2050 Mean Higher High Water 0% Annual Chance (No Storm) - Flood Depth Grid [Maryland]. Maryland iMap. https://data.imap.maryland.gov/datasets/maryland::mdot-sha-2050-mean-higher-high-water-0-annual-chance-no-storm-flood-depth-grid (web service)
  • BTAA Geoportal Link

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